Experts uncovered a new Osiris ransomware strain that used a custom POORTRY driver in a BYOVD attack to disable security tools & steal data in 2025.

For years, I’ve been watching the slow evening up of classic Windows PCs to cloud-based Windows and Office services. Sure, ...

网络安全研究人员披露了一个名为Osiris的新勒索软件家族，该软件于2025年11月攻击了东南亚一家大型食品服务特许经营商。攻击者使用恶意驱动程序POORTRY实施"自带易受攻击驱动程序"(BYOVD)攻击来破坏安全软件。Osiris采用混合加密方案 ...

At a time when trust in Windows is at a low, Microsoft’s latest bungled security patch has caused another headache.